[root@localhost marracech]# /sbin/iptables -L -v -n
Chain INPUT (policy ACCEPT 612 packets, 296K bytes)
 pkts bytes target     prot opt in     out     source               destination
  896  334K RH-Lokkit-0-50-INPUT  all  --  *      *       0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     udp  --  *      *       0.0.0.0/0            0.0.0.0/0           udp dpt:53
    0     0 ACCEPT     udp  --  *      *       0.0.0.0/0            0.0.0.0/0           udp spt:53

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
    0     0 RH-Lokkit-0-50-INPUT  all  --  *      *       0.0.0.0/0            0.0.0.0/0

Chain OUTPUT (policy ACCEPT 941 packets, 78761 bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain RH-Lokkit-0-50-INPUT (2 references)
 pkts bytes target     prot opt in     out     source               destination
  273 36420 ACCEPT     all  --  lo     *       0.0.0.0/0            0.0.0.0/0
    0     0 ACCEPT     udp  --  *      *       127.0.0.1            0.0.0.0/0           udp spt:53
    0     0 REJECT     tcp  --  *      *       0.0.0.0/0            0.0.0.0/0           tcp flags:0x17/0x02 reject-with icmp-port-unreachable
   11  1661 REJECT     udp  --  *      *       0.0.0.0/0            0.0.0.0/0           udp reject-with icmp-port-unreachable

[root@localhost marracech]# /sbin/iptables -t nat -L -v -n
Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination

[root@localhost marracech]# /sbin/iptables -t managle -L -v -n
iptables v1.3.3: can't initialize iptables table `managle': Table does not exist (do you need to insmod?)
Perhaps iptables or your kernel needs to be upgraded.